Brokerage Rankings: Coldwell Banker agents AI recommends in Livermore, CA
Coldwell Banker has 6 of the 85 agents that ChatGPT, Claude, Gemini and Grok have named for Livermore, CA — ranked 4th of 33 brokerages — across 50 responses collected between Sep 2026 and Oct 2026. The engines name individual agents rather than firms; this page groups the named agents whose brokerage resolves to Coldwell Banker, so offices, teams and franchise affiliates count toward the brand. Each agent below shows which engines named them, in how many responses and when; the order reflects that evidence, never payment. The count measures presence in AI recommendations, not sales volume or headcount.
Named agents
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Camille Ahern
Coldwell Banker
ChatGPT Claude Gemini Grok
Named by ChatGPT, Claude, Gemini and Grok · named in 20 responses · Sep 2026–Oct 2026
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Jon Ahern
Coldwell Banker
ChatGPT Claude Gemini Grok
Named by ChatGPT, Claude, Gemini and Grok · named in 19 responses · Sep 2026–Oct 2026
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Marc Guay
Coldwell Banker Realty
Claude Gemini
Named by Claude and Gemini · named in 3 responses · Sep 2026–Oct 2026
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John Rehfeld
Coldwell Banker Realty
ChatGPT
Named by ChatGPT · named in 3 responses · Oct 2026–Oct 2026
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Michelle Rehfeld
Coldwell Banker Realty
ChatGPT
Named by ChatGPT · named in 3 responses · Oct 2026–Oct 2026
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Michelle Lewis
Coldwell Banker Realty
Gemini
Named by Gemini · named in 2 responses · Sep 2026–Sep 2026
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Other brokerages AI recommends in Livermore, CA
- 1. Compass — 15 named agents
- 2. Keller Williams — 9 named agents
- 3. eXp Realty — 6 named agents
- 5. RE/MAX — 6 named agents
- 6. Intero — 4 named agents
How this list is built
GeoGenius asks ChatGPT, Claude, Gemini and Grok the questions a buyer or seller would ask about Livermore, CA and records every agent each engine names. A person is listed once at least two responses, or two different engines, have named them; their brokerage, as the engines state it, is resolved to its core brand. The method mirrors our published 36-market study at https://geogenius.ai/ai-report.